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If Q(0, –1 –3) is the image of the point P in the plane 3x – y + 4z = 2 and R is the point (3, –1, –2), then the area (in sq. units) of Δ PQR is :

1. 2 65
2. 13 2
3. 2 91
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Correct answer: 2 91

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